Mercurial > hg > orthanc-stone

annotate Framework/Scene2DViewport/LineMeasureTool.cpp @ 751:712ff6ff3c19

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- undo redo now works fine for both measure tool creation commands - added LayerHolder to streamline layer index management - added overloads for ORTHANC_ASSERT with no string message (some heavy preprocessor wizardry in there) - fixing wasm BasicScene is *not* finished.
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 22 May 2019 11:55:52 +0200
parents 28b9e3a54200
children 66ac7a2d1e3a
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21 #include "LineMeasureTool.h"
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22 #include "MeasureToolsToolbox.h"
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23 #include "LayerHolder.h"
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24
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25 #include <Core/Logging.h>
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26
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27 #include <boost/make_shared.hpp>
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28
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29 namespace OrthancStone
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30 {
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31
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32 LineMeasureTool::LineMeasureTool(
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33 MessageBroker& broker, ViewportControllerWPtr controllerW)
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34 : MeasureTool(broker, controllerW)
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35 , layerHolder_(boost::make_shared<LayerHolder>(controllerW, 1, 5))
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36 {
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37
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38 }
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39
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40 LineMeasureTool::~LineMeasureTool()
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41 {
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42 // this measuring tool is a RABI for the corresponding visual layers
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43 // stored in the 2D scene
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44 Disable();
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45 RemoveFromScene();
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46 }
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47
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48 void LineMeasureTool::RemoveFromScene()
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49 {
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50 if (layerHolder_->AreLayersCreated() && IsSceneAlive())
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51 {
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52 layerHolder_->DeleteLayers();
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53 }
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54 }
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55
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56 void LineMeasureTool::SetStart(ScenePoint2D start)
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57 {
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58 start_ = start;
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59 RefreshScene();
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60 }
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61
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62 void LineMeasureTool::SetEnd(ScenePoint2D end)
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63 {
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64 end_ = end;
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65 RefreshScene();
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66 }
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67
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68 void LineMeasureTool::Set(ScenePoint2D start, ScenePoint2D end)
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69 {
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70 start_ = start;
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71 end_ = end;
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72 RefreshScene();
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73 }
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74
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75 void LineMeasureTool::RefreshScene()
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76 {
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77 if (IsSceneAlive())
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78 {
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79 if (IsEnabled())
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80 {
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81 // get the scaling factor
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82 const double pixelToScene =
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83 GetScene()->GetCanvasToSceneTransform().ComputeZoom();
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84
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85 layerHolder_->CreateLayersIfNeeded();
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86
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87 {
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88 // Fill the polyline layer with the measurement line
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89
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90 PolylineSceneLayer* polylineLayer = layerHolder_->GetPolylineLayer(0);
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91 polylineLayer->ClearAllChains();
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92 polylineLayer->SetColor(0, 223, 21);
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93
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94 {
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95 PolylineSceneLayer::Chain chain;
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96 chain.push_back(start_);
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97 chain.push_back(end_);
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98 polylineLayer->AddChain(chain, false);
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99 }
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100
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101 // handles
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102 {
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103 //void AddSquare(PolylineSceneLayer::Chain& chain,const Scene2D& scene,const ScenePoint2D& centerS,const double& sideLength)
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104
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105 {
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106 PolylineSceneLayer::Chain chain;
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107
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108 //TODO: take DPI into account
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109 AddSquare(chain, GetScene(), start_, 10.0 * pixelToScene);
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110
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111 polylineLayer->AddChain(chain, true);
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112 }
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113
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114 {
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115 PolylineSceneLayer::Chain chain;
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116
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117 //TODO: take DPI into account
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118 AddSquare(chain, GetScene(), end_, 10.0 * pixelToScene);
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119
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120 polylineLayer->AddChain(chain, true);
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121 }
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122 }
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123
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124 }
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125 {
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126 // Set the text layer proporeties
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127
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128 double deltaX = end_.GetX() - start_.GetX();
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129 double deltaY = end_.GetY() - start_.GetY();
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130 double squareDist = deltaX * deltaX + deltaY * deltaY;
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131 double dist = sqrt(squareDist);
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132 char buf[64];
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133 sprintf(buf, "%0.02f units", dist);
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134
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135 // TODO: for now we simply position the text overlay at the middle
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136 // of the measuring segment
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137 double midX = 0.5 * (end_.GetX() + start_.GetX());
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138 double midY = 0.5 * (end_.GetY() + start_.GetY());
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139
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140 SetTextLayerOutlineProperties(
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141 GetScene(), layerHolder_, buf, ScenePoint2D(midX, midY));
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142 }
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143 }
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144 else
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145 {
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146 RemoveFromScene();
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147 }
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148 }
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149 }
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150 }